75784132 has 12 divisors (see below), whose sum is σ = 132741756. Its totient is φ = 37857920.

The previous prime is 75784129. The next prime is 75784151. The reversal of 75784132 is 23148757.

It can be written as a sum of positive squares in 2 ways, for example, as 57517056 + 18267076 = 7584^2 + 4274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75784091 and 75784100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3169 + ... + 12712.

It is an arithmetic number, because the mean of its divisors is an integer number (11061813).

Almost surely, 2^75784132 is an apocalyptic number.

It is an amenable number.

75784132 is a deficient number, since it is larger than the sum of its proper divisors (56957624).

75784132 is a wasteful number, since it uses less digits than its factorization.

75784132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17078 (or 17076 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 75784132 is about 8705.4082040993. The cubic root of 75784132 is about 423.1809348034.

The spelling of 75784132 in words is "seventy-five million, seven hundred eighty-four thousand, one hundred thirty-two".